Information Technology Engineer from 1984 till now. System, Network, Database and Data Backup Administrator. Computer and network security. Servers and workstations maintenance. (Windows Server 2016, Active Directory Domain Services domain controller, AWS, Windows 10/8/7, Office 365, Juniper VPN, Pulse Secure VPN, OpenVPN, PHP, HTML/HTML5, CSS/CSS3, JavaScript + ES6 + jQuery, Python, Java, AVR/STM embedded C, C++, Apache, Tomcat, SSL, SQL, MySQL, PostgreSQL, JavaDB, MariaDB, Agile, Scrum, NAS, AWS, Docker, ownCloud, nextCloud, Hyper-V, VMware, Virtualbox, Linux server and workstations, and many others).